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I know there are many monitoring tools , they have different features .
I tried nagios ( free version ) , it is good .
I just would like to find a tool ( free veersion ) to monitor the CPU , memory , HD etc resource utilization , with rather report , does all these tools can do that ? may I know which is the most common to use and better to manage ?
I know there are many monitoring tools , they have different features .
I tried nagios ( free version ) , it is good .
I just would like to find a tool ( free veersion ) to monitor the CPU , memory , HD etc resource utilization , with rather report , does all these tools can do that ? may I know which is the most common to use and better to manage ?
Nagios is made to be able to monitor many things, and expandable so you can add the monitoring you need. IT is also made to monitor multiple hosts and network nodes over multiple network connections. How many hosts will you monitor? How big is your network? Are you monitoring all LAN nodes, or over WAN/VPN connections as well?
To narrow down the list of the universe to what might work for you, we need to know a lot more about what you really intend!
Cpupower/cpufreq, cpuinfo, top etc are good for checking the cpu on the command line.
Personally I don't use a monitoring system. I use socketsentry interface for KDE widgets who keep track of my hardware with different graphical representations, which I can choose myself.
Nagios is made to be able to monitor many things, and expandable so you can add the monitoring you need. IT is also made to monitor multiple hosts and network nodes over multiple network connections. How many hosts will you monitor? How big is your network? Are you monitoring all LAN nodes, or over WAN/VPN connections as well?
To narrow down the list of the universe to what might work for you, we need to know a lot more about what you really intend!
There are many... I have personally used following on Linux, Solaris, and Windows
MRTG and Cacti (both of these will give you network along with CPU, memory, disk) And, you can also write scripts to monitor anything else...
I have used Ganglia on Linux clusters, which also does all of above.
OK, out of four essay questions you answered one I did not actually ask and I still have no clear idea what kind of solution you really need.
I will try to make this easy: just THREE questions:
Will you be monitoring one node, or multiple hosts?
Clearly you want to monitor lan connectivity: for how many devices and how many connections per device and to how many other networks?
What specific parameters do you want to measure on each host?
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